KKR (NYSE: KKR)‘s effort to reach the so-called mass affluent raised $1.78 billion from more than 12,000 investors in a single vehicle.

KKR Infrastructure Conglomerate, which began raising money in June, is one of two companies KKR formed to attract capital from wealthy individuals who don’t necessarily meet the minimum investment threshold to invest in a traditional private fund. The other is KKR Private Equity Conglomerate. The infrastructure vehicle received backing from 12,632 investors, according to Bloomberg News, which amounts to roughly $141,000 per investor. The KKR conglomerates represent an emerging way of doing business for alternative investment firms, which have traditionally relied on raising large amounts of money from institutions such as pensions and endowments.